Dewalt Flexvolt batteries Twin Pack On a new XR FLEXVOLT powertool the battery voltage steps up to deliver GAME CHANGING LEVELS OF PERFORMANCE It can switch itself to 18v so is compatible with existing 18v system Run x2 simultaneously for 108v super powered FLEXVOLT cordless kits On a traditional XR powertool the XR FLEXVOLT battery operates at 18v and delivers extended runtim DCB546 SPECIFICATION Voltage: 18v / 54v Battery Capacity: 18v 6.0Ah / 54v 2.0Ah Cell Components: 15 x 18mm Cells Wh Without Transport Cap = 108 Wh Battery for Power Tool Wh With Transport Cap = 3 x 36 Wh Battery for Transport Length: 125 mm Width: 85 mm Height: 90 mm Weight: 1.0 Kg